<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <title>demo3 自定义欢迎页面</title>
        <style>
            .app {
                margin: 12px 0;
                font-size: 24px;
            }
            .title {
                font-size: 18px;
                margin-top: 24px;
            }
        </style>
    </head>
    <body>
        <div class="app">
            Welcome BeeHiver ～
            <div class="title">后人哀之而不鉴之 亦使后人而复哀后人也 !</div>
        </div>
        <img src="https://media.giphy.com/media/JIX9t2j0ZTN9S/giphy.gif" width="300" />
    </body>
</html>